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Every life is extraordinary.

Love yourself enough to set boundaries.

If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

Leadership is about inspiring people to do things they never thought they could do.